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英国于1977年普及使用只含孕激素口服避孕片(POPs)后,1983年约29万妇女服用该药,以往较少在大量人群中研究此药的效果。本文报告了牛津计划生育协会(FPA)对避孕药物研究的最新发现,收集1968至1974在英格兰、苏格兰不同地区17家计生诊所中年龄25～39岁使用口服避孕药、隔膜及宫内避孕器者,在继续应用的17032名已婚白种妇女的随访内容,记录避孕过程的一切细致变化及发生变化的理由和全部妊娠的结局。结果:至1984年底参加研究者使用各种不同类型只含孕激素药丸(POPs)共3303妇女年。总失败率为0.9%妇女年妊娠。按服用者年龄,服用时
After the universal use of progestin oral contraceptives (POPs) in 1977 in the United Kingdom, about 290,000 women took the medicine in 1983, and in the past, the effect of the drug was less studied in a large population. This article reports the latest findings from the Oxford Family Planning Association (FPA) on contraceptive research. It collected data from 1968 to 1974 on the use of oral contraceptives, diaphragms and IUDs in 17 family planning clinics in England and Scotland from 25 to 39 years of age Follow-up of 17032 married white women who continue to be employed records all detailed changes in the contraceptive process and reasons for the change and the outcome of all pregnancies. RESULTS: By the end of 1984 researchers participated in a total of 3303 women of various types with progestin-only pills (POPs). The total failure rate of 0.9% of women’s pregnancy. By the age of the patient, when taking